EXTECH 407790 Real Time Octave Band Analyzer[Feb. 7, 2012 1:17:19]
Specification
Extech 407790 Real Time Octave Band Analyzer Type 2 integrating sound level meter features 1/ 1 and 1/ 3 Octave Band real-time noise analyses. The 407790 offers five measurement parameters: SPL ( Sound Pressure Level) , Leq ( Equivalent Continuous Sound Pressure Level) , LE ( Sound Exposure Level) , Lmax ( Maximum Sound Pressure Level) , and Lmin ( Minimum Sound Pressure Level) .
The built-in memory stores 12, 280 data records in sound level mode and 1024 records in Octave mode. The stored data can be easily transferred to a PC with the supplied software and RS-232 cable. This meter permits choice of â Aâ , â Câ , or â Flatâ weighting and â Slowâ / â Fastâ response times. AC and DC analog output signals are available for chart recorders and other external recording devices. Careful use of this device will provide years of reliable service
Features:
⢠Wide 100dB range of 30 to 130dB
⢠160 x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin and Lp
⢠Built-in memory stores up to 12, 280 records in SLM mode and 1024 data points in 1/ 1 or 1/ 3 octave mode
⢠Stored data can be easily transferred to a PC via RS-232 interface and analyzed using software & cable provided
⢠A, C and Flat weighting with Fast or Slow response
⢠25Hz to 10kHz frequency response
⢠Meets ANSI and IEC Type 2 standards
⢠Internal self test when powered ON
⢠Detachable 0.52 " ( 13.2mm) diameter condenser microphone and Tripod mount provided on rear
⢠Analog AC/ DC recorder output
⢠Real time clock with Year, Month, Day, Hour, Minute and Second display
⢠Optional microphone extension cable for measurements in enclosures and other remote locations ( 407764-EXT)
⢠Complete with microphone wind cover, PC software on CD, Serial cable, four type C size batteries, adjustment screwdriver, VAC adaptor and carrying case
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